description: str = 'Capture a screenshot of the current webpage.\n\nUse this tool to:\n- Verify that navigation or actions completed successfully\n- Capture visual state for debugging\n- Get visual context for decision-making\n- Document the current page state\n\nReturns a base64-encoded PNG image. Set full_page=True to capture\nthe entire scrollable page, or False (
default
) for just the visible viewport.'